#include <cstdlib>
#include <cstdio>

extern int yyparse ();
extern FILE* yyin;

int main ( int argc, char** argv )
{
	if ( argc > 1 )
		yyin = fopen ( argv [ 1 ], "r" );
	yyparse ();
	if ( argc > 1 )
		fclose ( yyin );
}
